Puyang Zhongshi Group Co. , Ltd. , restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products.The company registered capital is 10 million U.S.dollars,with annual export 30 million U.S.Dollars.We have competitive price of our main products like:subsurface sucker rod pump pumpingunit,wellhead(Christmas Tree),pressure vessels,drilling solid control system.We have certificates of API11AX, API11E...

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